Lumber Mill Falls is a waterfall on Deer Creek in Pierce County, Washington, in the Cascades region, with a total height of about 32 feet. It lies about 32.7 miles southeast of Crocker and roughly 41.5 miles southeast of South Hill as the crow flies.
At 32 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 759th of 941. The water comes down as a curtain waterfall, a thin sheet of water spread across a wide ledge.
The Cascades are a high volcanic range of snow-capped peaks, deep glacial valleys and dense conifer forest of Douglas fir, western hemlock and true firs, with abundant rain and snow on the western slopes. Basalt cliffs and lava flows give the region one of the highest concentrations of waterfalls in the country. Deer Creek carries 11 recorded waterfalls; the biggest of them reaches 152 feet.
There are 316 recorded waterfalls in Pierce County. Sequestered Falls, a 56-foot horsetail waterfall, is under a mile away. Fawn Falls, a 19-foot veiling plunge waterfall, is under a mile away. Shriner Fork Cascades, a 124-foot tiered horsetail waterfall, is under a mile away.
Lumber Mill Falls is located at 46.8299° N, 121.5167° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.